कौन-सा विकल्प हमेशा परिमेय है?
Which option is always rational?
Explanation opens after your attempt
A. पूर्ण वर्ग का वर्गमूलSquare root of a perfect square
Concept
The square root of a perfect square is an integer, so it is rational. For example, \( \sqrt{64}=8 \).
Why this answer is correct
The correct answer is A. पूर्ण वर्ग का वर्गमूल / Square root of a perfect square. The square root of a perfect square is an integer, so it is rational. For example, \( \sqrt{64}=8 \).
Exam Tip
पूर्ण वर्ग का वर्गमूल पूर्णांक होता है, इसलिए परिमेय होता है। जैसे \( \sqrt{64}=8 \)।
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